Use and Care Manual
ASSEMBLY 99944200596
14 X7712093000
© 04/2017 ECHO Inc.
5. Carefully fit attachment drive
shaft assembly into coupler (B)
to decal assembly line (C),
making sure that the inner
lower drive shaft engages the
square upper drive shaft
socket.
Note: Earlier model power
heads may have shorter
couplings.
Note: Lower bearing housing
and head assembly must be in line with the engine.
6. Rotate locater pin (A) ¼ turn
clockwise to engage lower shaft
hole. Insure locater pin is fully
engaged by twisting lower drive
shaft. Locater pin should snap
flush in coupler. Full engage-
ment will prevent further shaft
rotation.
7. Secure lower shaft assembly to
coupler by tightening clamping
knob (D).
Support Handle Removal
Note: Support handles or support handles with barrier bars are not
recommended for use with this attachment.
1. Remove support handle
assembly, barrier bar (if
installed), and mounting hard-
ware from PAS or SRM-SB
power head.
2. Retain parts for future use.
B
A
C
D
A










